Wheat straw mulch improves summer maize productivity and soil properties

Noor, Mehmood Ali; Nawaz, Muhammad Mohsin; Ma, Wenqi; Zhao, Ming

doi:10.4081/ija.2020.1623

Cited by 10 publications

(7 citation statements)

References 39 publications

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“…In the year 2020, the best moisture maintenance was observed under mulch which fully covered the soil. Similarly, Noor et al (2021) found mulch to increase soil moisture measured gravimetrically in a soil layer of 0-15 cm of 2.5% under mulch in comparison with no-mulch treatment. Therefore, the mulch covering soil from 90-100% should be mainly in dry years recommended to maintain soil moisture.…”

Section: Resultsmentioning

confidence: 79%

“…Reducing the intensity of tillage or better soil at an undisturbed state and mulch cover significantly reduced soil warming, which is important for reducing water evaporation from soil and SOM mineralisation. Noor et al (2021) showed that wheat mulch decreased daily soil temperatures by 1.9 °C and 1.5 °C on average in 0-15 cm and 15-30 cm soil layers, increased soil moisture and the end improved also yields of the following crop. The soil temperature decreased in the following order: chiselling to 10-12 cm << shallow chiselling < stubble ≤ mulch and reflected the straw cover 10-15% under chiselling to 10-12 cm, 30-40% under shallow chiselling, 80-90% under stubble and 90-100% under mulch.…”

Section: Resultsmentioning

confidence: 98%

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CO<sub>2</sub> emissions in a soil under different tillage practices

Mühlbachová¹,

Kusá²,

Růžek³

et al. 2022

PLANT SOIL ENVIRON

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CO2 emissions represent one of the greenhouse gases significantly affecting climate change. Reduced tillage practices can contribute to the mitigation of CO2 emissions from soils. The effect of tillage practices with different straw incorporation on CO2 emissions was studied in field experiments in the years 2020 and 2021. The winter wheat straw was used in 2020, and spring barley straw in 2021. Treatments were: (1) chiselling to 10–12 cm; (2) shallow chiselling (5–6 cm depth); (3) straw mulch, and (4) stubble. The chiselling to 10–12 cm in the warm summer period of 2020 increased the CO2 emissions from soils even twice in comparison with other used soil tillage practices. The soil temperature and CO2 emissions decreased in the following order: chiselling to 10–12 cm < shallow chiselling ≤ stubble ≤ mulch in 2020. Low CO2 emissions without significant differences among treatments were observed in the year 2021 when low soil temperatures and excessive soil water content filling soil pores caused by intensive precipitations (23 mm) coming shortly after soil tillage were observed. The CO2 emissions from soils are affected by a number of factors. Among them the current weather conditions as well as soil temperature the depth of soil tillage and handling of postharvest residues, are important.

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Section: Resultsmentioning

confidence: 79%

Section: Resultsmentioning

confidence: 98%

CO<sub>2</sub> emissions in a soil under different tillage practices

Mühlbachová¹,

Kusá²,

Růžek³

et al. 2022

PLANT SOIL ENVIRON

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show abstract

“…The concentrations of N in the straw and grain of maize were measured in each plot, using the Dumas method on the hand-harvested samples. The N-uptake and nitrogen use efficiency (NUE) were calculated by the formula of Wolf [ 59 ].

…”

Section: Methodsmentioning

confidence: 99%

Combining Straw Mulch with Nitrogen Fertilizer Improves Soil and Plant Physio-Chemical Attributes, Physiology, and Yield of Maize in the Semi-Arid Region of China

Akhtar,

Wang,

Djalovic

et al. 2023

Plants

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Mulching and nitrogen (N) fertilization are the main drivers for sustainable crop production. The sole use of nitrogen fertilizer threatened both the physiology and production of maize in rain-fed areas. Therefore, we proposed that wheat straw mulching with N fertilization would increase maize yield by improving soil fertility, physiology, and nitrogen use efficiency. A two-year field study evaluated the effects of CK (control), N (nitrogen application at 172 kg ha−1), HS (half wheat straw mulch, 2500 kg ha−1), HS+N (half wheat straw, 2500 kg ha−1 plus 172 kg N ha−1), FS (full wheat straw, 5000 kg ha−1), and FS+N (full wheat straw, 5000 kg ha−1 plus 172 kg N ha−1) on maize growth, physiology, and biochemistry. Compared with the control, the FS+N treatment resulted in the increase of 56% photosynthetic efficiency, 9.6% nitrogen use efficiency, 60% nitrogen uptake, 80% soluble sugar, 59% starches, 48% biomass, and 29% grain yield of maize. In addition, the FS+N regime increased 47%, 42%, and 106% of soil organic carbon and available P and N content in comparison with the control. Maize grain and biomass yields were positively correlated with N uptake, photosynthesis, soil organic carbon, and soil available N and P contents. Conclusively, the use of wheat straw at 5000 kg ha−1, along with 172 kg N ha−1, is a promising option for building a sustainable wheat–maize cropping system to achieve optimal crop yield and improved plant and soil health in a semi-arid region of China.

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“…The incorporation of crop residues in maize-based cropping systems is considered among the main practices regulating biological drivers of soil C cycling (Shahbaz et al, 2017;Noor et al, 2021) and promoting SOC sequestration (Zhang et al, 2021;Hao et al, 2022), whilst maintaining adequate grain or silage maize yields (Pittelkow et al, 2015). Furthermore, there is a synergy between crop residue incorporation and long-term organic fertilizers application, which can contribute to an increase in soil C pools and soil biological activities (Cui et al, 2018), thus leading to an overall improvement of soil fertility and agroecosystem sustainability (Bolinder et al, 2020).…”

Section: Highlightsmentioning

confidence: 99%

The ability of crop models to predict soil organic carbon changes in a maize cropping system under contrasting fertilization and residues management: Evidence from a long-term experiment

et al. 2022

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This study assesses the ability of an ensemble of crop models (MME) to predict the impacts of fertilization and crop residue management on soil organic carbon (SOC) and aboveground biomass (AGB) in a long-term experiment (LTE) based on continuous maize cropping systems. Data from a LTE in Northern Italy were used. Treatments included continuous grain (MG) or silage (MS) maize, fertilized with mineral, cattle slurry, and farmyard manure. The MME median resulted the best predictor of the observed values. Models performance was better when simulating MG than MS, and for crops treated with mineral compared to organic fertilizers. The ability to predict the dynamics of SOC was affected by the model used and by the year × residues management and year × fertilizer interactions. The model and the residue × fertilizer interaction affected the ability to simulate AGB dynamics. Results showed that a MME can effectively predict the long-term dynamics of SOC and maize crop production under contrasting fertilization and crop residue management, and thus their potential for climate change mitigation. The uncertainty in the simulation of SOC is related to the model routines simulating SOC partitioning and to the complexity of the interactions between management factors over time. Highlights - A crop model ensemble was compiled to simulate soil organic carbon and maize aboveground biomass dynamics in a long-term experiment. - The performances of stand-alone models and their ensemble were assessed under contrasting fertilization and crop residue management. - The multi-model ensemble using the median value of simulation was the best predictor of the variables observed in the long-term experiment. - Improved performances in simulations were observed when crop residues were incorporated into the soil, regardless of the fertilization management. - The uncertainty in SOC simulation increased over time for cropping systems with silage maize and organic fertilization.

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Wheat straw mulch improves summer maize productivity and soil properties

Cited by 10 publications

References 39 publications

CO<sub>2</sub> emissions in a soil under different tillage practices

CO<sub>2</sub> emissions in a soil under different tillage practices

Combining Straw Mulch with Nitrogen Fertilizer Improves Soil and Plant Physio-Chemical Attributes, Physiology, and Yield of Maize in the Semi-Arid Region of China

The ability of crop models to predict soil organic carbon changes in a maize cropping system under contrasting fertilization and residues management: Evidence from a long-term experiment

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